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IMC 2004 Q9

IMCCurrent spec5 marksArea, Perimeter & Shape

9. The cuboids below all have the same volume. Which of them has the greatest surface area?

Five cuboids labelled A to E: A is 6 by 4 by 1, B is 8 by 3 by 1, C is 6 by 2 by 2, D is 4 by 3 by 2 and E is 12 by 2 by 1

Intermediate Mathematical Challenge 2004, Question 9. © UK Mathematics Trust. Original paper on ukmt.org.uk

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